Real Dictionary

host
a designated quality, thing, etc [...]
a group or combination of interrelated, interdependent, or interacting elements forming a collective entity; a methodical or coordinated assemblage of parts, facts, concepts, etc [...]
a person who receives or entertains guests, esp in his or her own home [...]
a unit of heredity composed of DNA occupying a fixed position on a chromosome (some viral genes are composed of RNA). A gene may determine a characteristic of an individual by specifying a polypeptide chain that forms a protein or part of a protein ( stru
all the persons inhabiting a country, city, or other specified place [...]
an immune person or animal [...]
any of a large group of nitrogenous compounds of high molecular weight that are essential constituents of all living organisms. They consist of one or more chains of amino acids linked by peptide bonds and are folded into a specific three-dimensional shap
resistance against danger, attack, or harm; protection [...]
the ability of an organism to resist disease, either through the activities of specialized blood cells or antibodies produced by them in response to natural exposure or inoculation ( active immunity) or by the injection of antiserum or the transfer of ant
the act of responding; reply or reaction [...]
the act or an instance of resisting [...]
the full complement of genetic material within an organism [...]
the limits within which a person or thing can function effectively [...]
countable noun: The host at a party is the person who has invited the guests and provides the food, drink, or entertainment.